Look up · dinosaur 89 of 1,425
armored dinosaur
Animantarx
Say it like this: “ann-i-MAN-tarks”
Animantarx ramaljonesi
Animantarx ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in the United States.
- When
- Late Cretaceous (Cenomanian) · roughly 100.5 to 93.9 million years ago
- Named in
- 1999 · Carpenter, K.; Kirkland, J. I.; Burge, D.; Bird, J.
- Hip height
- 0.7 m · 2 ft
- Length
- 3 m · 10 ft
- Weight
- 350 kg · 772 lb
- Found in
- the United States · Cedar Mountain
- Food and walking
- Herbivore · Four legs
- Kind
- armored dinosaur · Ankylosaur
- Family branch
- Nodosauridae
The story in short
In 1999, K. Carpenter and colleagues published the name Animantarx. The name means “living citadel.”
It lived in the Late Cretaceous (Cenomanian), roughly 100.5 to 93.9 million years ago. Finds come from the United States, including the Cedar Mountain Formation. It was a herbivore and walked on four legs.
Published estimates put Animantarx at a length near 3 m, hips about 0.7 m high, and a body mass around 350 kg.
On the family tree it sits in Nodosauridae, among the armored dinosaurs.
Close relatives
Acantholipan
Acantholipan gonzalezi
Late Cretaceous (Santonian) · roughly 85.7 to 83.6 million years ago
Anoplosaurus
Anoplosaurus curtonotus
Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago
Borealopelta
Borealopelta markmitchelli
Early Cretaceous (Albian) · roughly 113.2 to 100.5 million years ago